The Madison Twin/Twin Bunk Bed is crafted of Poplar solids and Birch Veneers. It features steel connectors for secure assembly and high/low rail locking to accommodate the under bed storage addition or the trundle addition. The bunk bed comes with a slat roll for each level to insure support for a mattress only application. With the ladder in place, the overall dimensions are 69W x 82D x 78H, an extension kit is stocked for purchase to create a Twin/Full Bunk Bed. The bunk can also be separated into two twin beds and with the guardrail in place, the bunk bed meets all Federal safety standards.